谢菲尔德的调查涉及16所小学和7所中学，结果发现大多数学校都成功地减少了校园欺凌行为。

The Sheffield investigation, which involved sixteen primary schools and seven secondary schools, found that most schools succeeded in reducing bullying.

youdao

谢菲尔德的调查涉及16所小学和7所中学，结果发现大多数学校都成功地减少了校园欺凌行为。

The Sheffield investigation, which involved sixteen primary schools and seven secondary schools, found that most schools succeeded in reducing bullying.

youdao